1999004820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1753513}}^1$

素因数の和:1753544

約数の個数: 48

約数和(自身を含む): 5891807040

約数和(自身を除く): 3892802220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1753513, 3507026, 5260539, 7014052, 8767565, 10521078, 17535130, 21042156, 26302695, 33316747, 35070260, 52605390, 66633494, 99950241, 105210780, 133266988, 166583735, 199900482, 333167470, 399800964, 499751205, 666334940, 999502410, 1999004820]

約数ペア:

[(1, 1999004820), (2, 999502410), (3, 666334940), (4, 499751205), (5, 399800964), (6, 333167470), (10, 199900482), (12, 166583735), (15, 133266988), (19, 105210780), (20, 99950241), (30, 66633494), (38, 52605390), (57, 35070260), (60, 33316747), (76, 26302695), (95, 21042156), (114, 17535130), (190, 10521078), (228, 8767565), (285, 7014052), (380, 5260539), (570, 3507026), (1140, 1753513)]